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Heralded amplification of photonic qubits

Verma, Varun B.
Nam, Sae Woo
Mirin, Richard
Lita, Adriana
Marsili, Francesco
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Published in Optics Express. 2016, vol. 24, no. 1, p. 125
Abstract We demonstrate postselection free heralded qubit amplification for Time-Bin qubits and single photon states in an all-fibre, telecom-wavelength, scheme that highlights the simplicity, stability and potential for fully integrated photonic solutions. Exploiting high-efficiency superconducting detectors, the gain, fidelity and the performance of the amplifier are studied as a function of loss. We also demonstrate the first heralded single photon amplifier with independent sources. This provides a significant advance towards demonstrating device-independent quantum key distribution as well as fundamental tests of quantum mechanics over extended distances.
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Research group Groupe Zbinden
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BRUNO, Natalia et al. Heralded amplification of photonic qubits. In: Optics Express, 2016, vol. 24, n° 1, p. 125. doi: 10.1364/OE.24.000125 https://archive-ouverte.unige.ch/unige:80003

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Deposited on : 2016-01-25

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